SN4 ""

No	Pattern	Freq
1	it is [adv] [verb] that [art]	440
2	it is [adv] [verb] that [art]	440
3	it is [adv] [vb pp] that [art]	425
4	it is [adv] [verb] that [art]	414
5	it is [adv] [verb] that the	362
6	it is [adv] [verb] that the	362
7	it is [adv] [verb] that a	72
8	it is [adv] [verb] that a	63
9	it is generally [verb] that [art]	60
10	it is generally [verb] that [art]	60
11	it is also [verb] that [art]	48
12	it is also [verb] that [art]	48
13	it is often [verb] that [art]	44
14	it is often [verb] that [art]	44
15	it is [adv] know that [art]	41
16	it is [adv] known that [art]	41
17	it is well [verb] that [art]	41
18	it is well [verb] that [art]	41
19	it is now [verb] that [art]	40
20	it is now [verb] that [art]	40
21	it is [adv] assume that [art]	36
22	it is [adv] assumed that [art]	36
23	it is widely [verb] that [art]	34
24	it is widely [verb] that [art]	34
25	it is sometimes [verb] that [art]	32
26	it is sometimes [verb] that [art]	32
27	it is [adv] suggested that [art]	30
28	it is [adv] suggest that [art]	30
29	it is [adv] accept that [art]	29
30	it is [adv] say that [art]	29